html body{
	display:inline-block;
}
@mixin imageSet($url,$suffix:"png"){
    background-image:url(#{$url}1x.#{$suffix});
    background-image: -webkit-image-set(url(#{$url}1x.#{$suffix}) 1x,url(#{$url}2x.#{$suffix}) 2x);
    background-image: -moz-image-set(url(#{$url}1x.#{$suffix}) 1x,url(#{$url}2x.#{$suffix}) 2x);
    background-image: -ms-image-set(url(#{$url}1x.#{$suffix}) 1x,url(#{$url}2x.#{$suffix}) 2x);
    background-image: -o-image-set(url(#{$url}1x.#{$suffix}) 1x,url(#{$url}2x.#{$suffix}) 2x);
    background-image: image-set(url(#{$url}1x.#{$suffix}) 1x,url(#{$url}2x.#{$suffix}) 2x);
    background-repeat: no-repeat;
    _background-image: url(#{$url}1x.#{$suffix});
}

i[class*='icon-']{ 
	@include imageSet("../imgs/sprite/");
	display:inline-block;
}
i{
	&.icon-app18-address{
		background:url(../imgs/1x/icon-app18-address.png);
		width:18px;
		height:18px;
	} 
	&.icon-app30-bbs{
		background:url(../imgs/1x/icon-app30-bbs.png);
		width:30px;
		height:30px;
	} 
}
